Which code is used for Fuse designation / Distant control relay?

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Multiple Choice

Which code is used for Fuse designation / Distant control relay?

Explanation:
In signaling diagrams, a single-letter code is used to label the function of a device. The letter D is set aside for distant control relays and for fuse designation points. That makes it the correct label for this item because it directly represents the function described. The other codes are used for different equipment types or functions and don’t denote fuse designation or distant control relays, so they don’t fit.

In signaling diagrams, a single-letter code is used to label the function of a device. The letter D is set aside for distant control relays and for fuse designation points. That makes it the correct label for this item because it directly represents the function described. The other codes are used for different equipment types or functions and don’t denote fuse designation or distant control relays, so they don’t fit.

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